Membrain can be paid either yearly in advance (via invoice and bank transfer) or monthly in advance via credit card (Visa and Mastercard accepted).
If you want to change the credit card being billed, follow these steps:
- Go to Admin in the main menu
- Select System tab at the top of screen
- Then Change Credit card under Misc.
- Follow the instructions on screen
After completing these steps you should now have successfully updated your credit card credentials.